fix(gatsby): Incorrect PackageJson type (#22406)

* Fix PackageJson type

* Fix typo

Author: dvrylc

packages/gatsby/index.d.ts

@@ -1193,11 +1193,11 @@ export interface PackageJson {
         email: string
       }
   license?: string
-  dependencies?: Array<Record<string, string>>
-  devDependencies?: Array<Record<string, string>>
-  peerDependencies?: Array<Record<string, string>>
-  optionalDependencies?: Array<Record<string, string>>
-  bundledDependecies?: Array<Record<string, string>>
+  dependencies?: Record<string, string>
+  devDependencies?: Record<string, string>
+  peerDependencies?: Record<string, string>
+  optionalDependencies?: Record<string, string>
+  bundledDependencies?: Array<string>
   keywords?: string[]
 }